Mendel crossed pea plants producing round seeds with those producing wrinkled seeds. From a total of 7324 F2 seeds, 5474 were round and 1850 were wrinkled. Using the symbols R and for genes, predict the
Genotypes, phenotypes, genotypic frequency, phenotypic ratio of F1 progeny
Important Questions on Principles of Inheritance and Variation
The following data was obtained from an experiment on peas. The grey-coloured seed is dominant over the white coloured seed. Use the letter G for grey and g for white traits. Predict the genotypes of the parents in each of the following crosses.
Parent: Grey white
Progeny: Grey-164, white-156
The following data was obtained from an experiment on peas. The grey-coloured seed is dominant over the white coloured seed. Use the letter G for grey and g for white traits. Predict the genotypes of the parents in each of the following crosses.
Parent: Grey grey
Progeny: Grey-59, white-19
The following data was obtained from an experiment on peas. The grey-coloured seed is dominant over the white coloured seed. Use the letter G for grey and g for white traits. Predict the genotypes of the parents in each of the following crosses.
Parent: white white
Progeny: Grey-0, white-100
The following data was obtained from an experiment on peas. The grey-coloured seed is dominant over the white coloured seed. Use the letter G for grey and g for white traits. Predict the genotypes of the parents in each of the following crosses.
Parent: grey grey
Progeny: Grey-180, white-0
In tomatoes, red fruit colour (R) is dominant to yellow (r). Suppose a tomato plant homozygous for red is crossed with one homozygous for yellow. Determine the appearance of the following:
the F1
In tomatoes, red fruit colour (R) is dominant to yellow (r). Suppose a tomato plant homozygous for red is crossed with one homozygous for yellow. Determine the appearance of the following:
F2
In tomatoes, red fruit colour (R) is dominant to yellow (r). Suppose a tomato plant homozygous for red is crossed with one homozygous for yellow. Determine the appearance of the following:
The spring of a cross of the F, back to the red parent.
In tomatoes, red fruit colour (R) is dominant to yellow (r). Suppose a tomato plant homozygous for red is crossed with one homozygous for yellow. Determine the appearance of the following:
The offspring of a cross of the F back to the yellow parent.
